Regulatory approval

Published by the Health Canada.

Health Canada approved osimertinib as adjuvant therapy after tumour resection in patients with stage IB-IIIA1 non-small cell lung cancer (NSCLC) whose tumours have epidermal growth factor receptor (EGFR) exon 19 deletions or exon 21 (L858R) substitution mutations.

This is written in the approval document as:

TAGRISSO (osimertinib) is indicated as adjuvant therapy after tumour resection in patients with stage IB-IIIA1 non-small cell lung cancer (NSCLC) whose tumours have epidermal growth factor receptor (EGFR) exon 19 deletions or exon 21 (L858R) substitution mutations.

Citation

AstraZeneca Canada Inc. Tagrisso (osimertinib) [product monograph]. Health Canada website. https://pdf.hres.ca/dpd_pm/00080336.PDF. Revised April 2025. Accessed June 2025.

Therapeutic response

Precision oncology relationships for therapeutic response derived from this regulatory approval.

Type Biomarker(s) Cancer type Therapy(ies)
Sensitivity (+) EGFR Exon 19 (Deletion) Non-Small Cell Lung Cancer Osimertinib
Sensitivity (+) EGFR p.L858R Non-Small Cell Lung Cancer Osimertinib